html, body{
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;

    background: url('/assets/images/login_bg.jpg')
    no-repeat center;
    background-size: cover;
}
.loginandregBox{
    width: 5rem;
    height: 3.875rem;
    background-color: aliceblue;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);    
}